12042847 has 2 divisors, whose sum is σ = 12042848. Its totient is φ = 12042846.

The previous prime is 12042809. The next prime is 12042887. The reversal of 12042847 is 74824021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12042847 - 2¹⁵ = 12010079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021423 + 6021424.

It is an arithmetic number, because the mean of its divisors is an integer number (6021424).

Almost surely, 2^12042847 is an apocalyptic number.

12042847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042847 is an equidigital number, since it uses as much as digits as its factorization.

12042847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 12042847 is about 3470.2805362103. The cubic root of 12042847 is about 229.2150113469.

Adding to 12042847 its reverse (74824021), we get a palindrome (86866868).

The spelling of 12042847 in words is "twelve million, forty-two thousand, eight hundred forty-seven".